WordPress Testimonial Builder plugin <= 1.6.1 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability

published 2022-08-22 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-23433

cvss: 4.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits: 0; none known

Authenticated (editor+) Stored Cross-Site Scripting (XSS) vulnerability in wpshopmart Testimonial Builder plugin <= 1.6.1 at WordPress.

Patch / fix

fixed in 1 links 1

wpshopmart testimonial_builder 1.6.2

patchstack.com/database/vulnerability/testimonial-builder/wordpress-testi… advisory

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 20 mo ago (2025-02-20)

Exploit prediction

0.62% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.8	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

wpshopmart Testimonial (WordPress plugin)

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/vulnerability/testimonial-builder/wordpress-testimonial-builder-plugin-1-6-1-authenticated-stored-cr
patch, third-party-advisory
wordpress.org /plugins/testimonial-builder/#developers
product, release-notes, third-party-advisory

Sources

CVE List CVE-2021-36857
NVD CVE-2021-36857

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary